repos/blastem

log

age author description
Wed, 18 Jan 2017 23:43:36 -0800 Michael Pavone Overscan is now configurabledefault tip
Wed, 18 Jan 2017 21:30:20 -0800 Michael Pavone CRAM contention artifact emulation
Wed, 18 Jan 2017 07:29:06 -0800 Michael Pavone Fix regression in tracking of 3+ byte instructions in Z80 core
Tue, 17 Jan 2017 19:01:13 -0800 Michael Pavone Update gst loader to deal with VDP changes
Tue, 17 Jan 2017 19:01:04 -0800 Michael Pavone Undo poorly thought out minor optimization that screwed up rendering
Tue, 17 Jan 2017 09:27:05 -0800 Michael Pavone Fix vdp_run_to_vblank
Tue, 17 Jan 2017 09:18:35 -0800 Michael Pavone Disable timing debug
Tue, 17 Jan 2017 09:18:16 -0800 Michael Pavone Fix line advancement in Mode 4 during inactive display. Fix a Mode 4 VInt timing discrepency
Tue, 17 Jan 2017 09:17:43 -0800 Michael Pavone Add some dummy functions to test_int_timing so debug builds of it succeed
Tue, 17 Jan 2017 09:02:36 -0800 Michael Pavone Fix H40 VInt inconsistency
Mon, 16 Jan 2017 23:34:30 -0800 Michael Pavone Fix H32 VInt timing inconsistency
Mon, 16 Jan 2017 22:30:21 -0800 Michael Pavone Fix H32 inconsistency
Mon, 16 Jan 2017 21:38:49 -0800 Michael Pavone Added synthetic test for tracking down interrupt timing issues
Mon, 16 Jan 2017 09:31:33 -0800 Michael Pavone Fix some timing inconsistencies in H40 mode. Added some ifdefed timing debug code.
Sun, 15 Jan 2017 22:54:01 -0800 Michael Pavone Don't adjust cycles every frame. Only when we start getting close to UINT_MAX. Don't adjust all the way down to zero when we do adjust. Shouldn't fix anything, but may make debugging current issues easier.
Sun, 15 Jan 2017 22:38:31 -0800 Michael Pavone Rework how inactive lines are handled. Fix H40 cycle increment in slot 182
Sun, 15 Jan 2017 15:29:32 -0800 Michael Pavone Fix benchmark mode
Sun, 15 Jan 2017 15:07:24 -0800 Michael Pavone Initial work on emulating top and bottom border area
Tue, 10 Jan 2017 23:45:59 -0800 Michael Pavone Fix GDB remote protocol support
Tue, 10 Jan 2017 09:29:28 -0800 Michael Pavone Fix crash regression for games with some kind of mapper functionality
Tue, 10 Jan 2017 09:19:58 -0800 Michael Pavone Restore functionality of the -D flag for GDB remote debugging
Mon, 09 Jan 2017 19:24:11 -0800 Michael Pavone Fix disagreement on line change location between vdp_h32_mode4 and vdp_run_context that was causing the first line to be garbage in some cases
Sun, 08 Jan 2017 16:55:30 -0800 Michael Pavone Forgot that the expansion to 32-bit values for 16-bit addresses is not done when calling a C function to handle a memory operation. Mask on location in mapper_write was needed afterall
Sun, 08 Jan 2017 13:39:44 -0800 Michael Pavone A bunch of Mode 4 fixes
Sun, 08 Jan 2017 10:46:32 -0800 Michael Pavone Update H32 and Mode 4 mappings based on latest tests
Sun, 08 Jan 2017 00:30:48 -0800 Michael Pavone Fix decoding of undocumented Z80 instruction out (c), 0
Sat, 07 Jan 2017 16:28:29 -0800 Michael Pavone Adjust analyze_olp SAT address to match testpattern values rather than Space Hawks
Fri, 06 Jan 2017 19:25:04 -0800 Michael Pavone Fix H40 slot mapping to better match old VRAM bus captures and adjust for recent VCounter measurements
Thu, 05 Jan 2017 19:15:53 -0800 Michael Pavone Clear sprite overflow flag when control port read. Fix vcounter progression in Mode 4
Thu, 05 Jan 2017 00:42:11 -0800 Michael Pavone Fix Mode 4 sprite collision flag
Thu, 05 Jan 2017 00:36:23 -0800 Michael Pavone Implemented Mode 4 H conter latching
Thu, 05 Jan 2017 00:08:28 -0800 Michael Pavone BlastEm now passes all of the tests on the first page of "Megadrive VDP Test" in VDPTEST.sms
Wed, 04 Jan 2017 23:01:58 -0800 Michael Pavone Fix to pass a couple more tests in VDPTEST.sms
Wed, 04 Jan 2017 22:48:00 -0800 Michael Pavone Fix some issues with VDP interface in Mode 4/PBC mode
Wed, 04 Jan 2017 21:23:59 -0800 Michael Pavone Display both byte and word pending values to better reflect VDP pending state in PBC mode
Wed, 04 Jan 2017 20:43:22 -0800 Michael Pavone Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions
Tue, 03 Jan 2017 23:03:30 -0800 Michael Pavone Fix reading from second controller port in SMS mode
Tue, 03 Jan 2017 21:37:36 -0800 Michael Pavone Fix implementation of Z80 HALT instruction
Tue, 03 Jan 2017 21:18:52 -0800 Michael Pavone Add support for SMS controllers
Tue, 03 Jan 2017 21:18:42 -0800 Michael Pavone Fix RAM flag offset calculation to take into account the existence of non-writeable MMAP_CODE chunks
Tue, 03 Jan 2017 20:43:35 -0800 Michael Pavone Increment TH counter on low to high transitions rather than high to low transitions for six button controllers. Fixes Charles MacDonald's SMS six button controller demo
Tue, 03 Jan 2017 20:42:15 -0800 Michael Pavone Fix handling of IO control writes in SMS mode
Mon, 02 Jan 2017 23:35:40 -0800 Michael Pavone Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0
Mon, 02 Jan 2017 22:54:24 -0800 Michael Pavone Initial support for Sega's family of SMS mappers
Mon, 02 Jan 2017 21:46:26 -0800 Michael Pavone Detect system type from filename if header based methods fail. Allow overriding system type from command line.
Mon, 02 Jan 2017 16:33:03 -0800 Michael Pavone Old uncommitted fix for Android build
Mon, 02 Jan 2017 16:25:13 -0800 Michael Pavone Fix Mode 4 sprite table Y scan to account for VRAM byte swapping
Sun, 01 Jan 2017 23:00:28 -0800 Michael Pavone Fix slot tracking screwup
Sun, 01 Jan 2017 22:47:23 -0800 Michael Pavone Fix horizontal scrolling in Mode 4
Sun, 01 Jan 2017 21:06:32 -0800 Michael Pavone Update Mode 4 rendering to match logic analyzer captures
Sun, 01 Jan 2017 02:33:06 -0800 Michael Pavone Fix a bug in hslot advancement in Mode 4. Fix some of the "inactive_start" calculations that did not take into account Mode 4.
Sun, 01 Jan 2017 01:23:26 -0800 Michael Pavone Make Mode 4 sprite rendering a little less broken
Sun, 01 Jan 2017 01:16:43 -0800 Michael Pavone Fix rendering of BG color index 0 in Mode 4. Only transparent with respect to sprites and not the backdrop like in Mode 5
Sun, 01 Jan 2017 01:10:44 -0800 Michael Pavone Partial fix for Z80 debugger brokeness introduced with stack alignment changes
Wed, 28 Dec 2016 20:39:27 -0800 Michael Pavone Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores
Wed, 28 Dec 2016 12:28:52 -0800 Michael Pavone Enabled Z80 debugger in PBC mode
Tue, 27 Dec 2016 18:58:31 -0800 Michael Pavone Detect failures to initialize a system context and report an error rather than crashing
Tue, 27 Dec 2016 14:31:27 -0800 Michael Pavone Fix Mode 4 color mapping
Tue, 27 Dec 2016 13:59:01 -0800 Michael Pavone Clear interrupt status flags after getting the status register value rather than before
Tue, 27 Dec 2016 13:46:06 -0800 Michael Pavone Brighten up Mode 4 colors